Rear bumper



FIG. 1 is a right front perspective view of a rear bumper for a vehicleaccording to the present invention.

FIG. 2 is a left rear perspective view of the rear bumper shown in FIG.1.

FIG. 3 is a front view thereof.

FIG. 4 is a rear view thereof.

FIG. 5 is a right side view thereof.

FIG. 6 is a left side view thereof; and,

FIG. 7 is a top view thereof.

CLAIM The ornamental design for a rear bumper, as shown and described.